Not yourself
Substandard and not yourself are semantically related. In some cases you can use "Substandard" instead an adjective phrase "Not yourself".
Substandard
Substandard adjective - Falling short of a standard.
Not yourself and substandard are semantically related. You can use "Not yourself" instead an adjective "Substandard".
Cite this Source
Substandard and Not yourself. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/not_yourself/substandard
Not yourself & Substandard. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/not_yourself/substandard>.
Substandard or Not yourself. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/not_yourself/substandard.
Google Ngram Viewer shows how "not yourself" and "substandard" have occurred on timeline